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#ifndef GLFUNCTIONS_H
#define GLFUNCTIONS_H

#ifndef QT_OPENGL_ES

#ifndef Q_WS_MAC
# ifndef APIENTRYP
#   ifdef APIENTRY
#     define APIENTRYP APIENTRY *
#   else
#     define APIENTRY
#     define APIENTRYP *
#   endif
# endif
#else
# define APIENTRY
# define APIENTRYP *
#endif

#define GL_TEXTURE0 0x84C0
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_BGRA 0x80E1

typedef void (APIENTRYP type_glActiveTexture)(GLenum texture);
typedef void (APIENTRYP type_glGenerateMipmap)(GLenum target);
typedef void (APIENTRYP type_glVertexAttribPointer)(GLuint, GLint, GLenum, GLboolean, GLsizei, const GLvoid *);

#define glActiveTexture ((type_glActiveTexture)QGLContext::currentContext()->getProcAddress(QLatin1String("glActiveTexture")))
#define glGenerateMipmap ((type_glGenerateMipmap)QGLContext::currentContext()->getProcAddress(QLatin1String("glGenerateMipmap")))
#define glVertexAttribPointer ((type_glVertexAttribPointer)QGLContext::currentContext()->getProcAddress(QLatin1String("glVertexAttribPointer")))

#endif

#endif // GLFUNCTIONS_H
